208932020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{949691}}^1$

素因数の和:949711

約数の個数: 24

約数和(自身を含む): 478644768

約数和(自身を除く): 269712748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 949691, 1899382, 3798764, 4748455, 9496910, 10446601, 18993820, 20893202, 41786404, 52233005, 104466010, 208932020]

約数ペア:

[(1, 208932020), (2, 104466010), (4, 52233005), (5, 41786404), (10, 20893202), (11, 18993820), (20, 10446601), (22, 9496910), (44, 4748455), (55, 3798764), (110, 1899382), (220, 949691)]